Why did my Allstate auto premium increase for no apparent reason?

I’ve seen and heard people talk about both engine oil and motor oil in the context of cars, but I don’t actually know what the distinction is, if there is one—are motor oil and engine oil the same thing?

My great-aunt has an older car that she treats like a baby since my uncle passed away. The headliner’s starting to sag, and I told her I would have it replaced. What’s the average car headliner replacement cost?

I just learned about this in driver’s ed last week, but I forget what my teacher said about it. I need to know for my test tomorrow! What are you supposed to do when driving near a blind pedestrian?